org.gcube.elasticsearch

Class FullTextNode

java.lang.Object

org.gcube.elasticsearch.FullTextNode

public class FullTextNode
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	COLLECTION_ID_ANALYZER
static String	DEFAULT_ANALYZER
static String	META_INDEX

Constructor Summary

Constructors

Constructor and Description
FullTextNode()
FullTextNode(String clusterName, String indexName, Integer noOfReplicas, Integer noOfShards, String scope, int maxFragmentCnt, int maxFragmentSize)
FullTextNode(String clusterName, String indexName, String scope)
FullTextNode(String dataDir, String clusterName, String indexName, Integer noOfReplicas, Integer noOfShards, String scope, int maxFragmentCnt, int maxFragmentSize)
FullTextNode(String dataDir, String clusterName, String indexName, String scope)

Method Summary

Methods

Modifier and Type	Method and Description
void	addIndexType(String indexTypeStr)
void	addIndexType(String indexTypeStr, org.gcube.indexmanagement.common.FullTextIndexType indexType)
boolean	addMetaIndex()
void	clearIndex(String indexTypeName)
void	close() Closes the index
void	commit()
void	commitMeta() Commits the changes to the index by sending a flush and a refresh request
void	createOrJoinCluster()
boolean	delete() Deletes the index and the metaIndex
void	deleteDocuments(List<String> docIDs) Deletes the documents with IDs within the list docIDs
boolean	feedLocator(String resultSetLocation)
boolean	feedLocator(String resultSetLocation, HashMap<String,org.gcube.indexmanagement.common.FullTextIndexType> colForField) Feeds the index with rowsets that are read from the the given locator
boolean	feedRowset(String rowset) Feeds the index with a rowset.
String	getClusterName()
org.elasticsearch.client.Client	getIndexClient()
String	getIndexName()
int	getMaxFragmentCnt()
int	getMaxFragmentSize()
Integer	getNoOfReplicas()
Integer	getNoOfShards()
String	getScope()
void	invalidateCache()
void	joinCluster(Map<String,Integer> knownNodes)
String	query(String queryString)
String	query(String queryString, int maxHits) Executes the query of gRS2 locator of maximum maxHits records (if >0)
String	queryStream(String queryString)
String	queryStream(String queryString, int maxHits) Important: The returned results are not sorted!
boolean	rebuildMetaIndex(String[] collectionIds, String[] fields)
void	refreshIndexTypesOfIndex() Refreshes the index types
String	toString()
boolean	updateManagerProperties(HashMap<String,org.gcube.indexmanagement.common.FullTextIndexType> colForIdTypes)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

META_INDEX

public static String META_INDEX

DEFAULT_ANALYZER

public static String DEFAULT_ANALYZER

COLLECTION_ID_ANALYZER

public static String COLLECTION_ID_ANALYZER

Constructor Detail

FullTextNode

public FullTextNode()

FullTextNode

public FullTextNode(String clusterName,
            String indexName,
            Integer noOfReplicas,
            Integer noOfShards,
            String scope,
            int maxFragmentCnt,
            int maxFragmentSize)

FullTextNode

public FullTextNode(String clusterName,
            String indexName,
            String scope)

FullTextNode

public FullTextNode(String dataDir,
            String clusterName,
            String indexName,
            Integer noOfReplicas,
            Integer noOfShards,
            String scope,
            int maxFragmentCnt,
            int maxFragmentSize)

FullTextNode

public FullTextNode(String dataDir,
            String clusterName,
            String indexName,
            String scope)

Method Detail

getClusterName

public String getClusterName()

getIndexName

public String getIndexName()

getNoOfReplicas

public Integer getNoOfReplicas()

getNoOfShards

public Integer getNoOfShards()

getScope

public String getScope()

getMaxFragmentCnt

public int getMaxFragmentCnt()

getMaxFragmentSize

public int getMaxFragmentSize()

getIndexClient

public org.elasticsearch.client.Client getIndexClient()

toString

public String toString()

Overrides:

toString in class Object

addIndexType

public void addIndexType(String indexTypeStr)
                  throws Exception

Throws:

Exception

addIndexType

public void addIndexType(String indexTypeStr,
                org.gcube.indexmanagement.common.FullTextIndexType indexType)
                  throws Exception

Throws:

Exception

createOrJoinCluster

public void createOrJoinCluster()

joinCluster

public void joinCluster(Map<String,Integer> knownNodes)
                 throws IOException

Parameters:

knownNodes - Map of Address -> Port

Throws:

IOException

query

public String query(String queryString)
             throws org.gcube.indexmanagement.common.IndexException,
                    gr.uoa.di.madgik.grs.writer.GRS2WriterException

Parameters:

queryString -

Returns:

gRS2 locator of the query results

Throws:

org.gcube.indexmanagement.common.IndexException

gr.uoa.di.madgik.grs.writer.GRS2WriterException

query

public String query(String queryString,
           int maxHits)
             throws gr.uoa.di.madgik.grs.writer.GRS2WriterException,
                    org.gcube.indexmanagement.common.IndexException

Executes the query of gRS2 locator of maximum maxHits records (if >0)

Parameters:

queryString -

maxHits -

Returns:

gRS2 locator of the results

Throws:

org.gcube.indexmanagement.common.IndexException

gr.uoa.di.madgik.grs.writer.GRS2WriterException

queryStream

public String queryStream(String queryString)
                   throws org.gcube.indexmanagement.common.IndexException,
                          gr.uoa.di.madgik.grs.writer.GRS2WriterException

Throws:

org.gcube.indexmanagement.common.IndexException

gr.uoa.di.madgik.grs.writer.GRS2WriterException

queryStream

public String queryStream(String queryString,
                 int maxHits)
                   throws org.gcube.indexmanagement.common.IndexException,
                          gr.uoa.di.madgik.grs.writer.GRS2WriterException

Important: The returned results are not sorted!

Parameters:

queryString -

Returns:

gRS2 locator of the results

Throws:

org.gcube.indexmanagement.common.IndexException

gr.uoa.di.madgik.grs.writer.GRS2WriterException

delete

public boolean delete()

Deletes the index and the metaIndex

deleteDocuments

public void deleteDocuments(List<String> docIDs)

Deletes the documents with IDs within the list docIDs

Parameters:

docIDs -

commitMeta

public void commitMeta()

Commits the changes to the index by sending a flush and a refresh request

commit

public void commit()

clearIndex

public void clearIndex(String indexTypeName)

close

public void close()

Closes the index

feedRowset

public boolean feedRowset(String rowset)

Feeds the index with a rowset.

Parameters:

rowset -

Returns:

True on success or False on failure

feedLocator

public boolean feedLocator(String resultSetLocation)
                    throws gr.uoa.di.madgik.grs.reader.GRS2ReaderException,
                           URISyntaxException,
                           gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException,
                           gr.uoa.di.madgik.grs.buffer.GRS2BufferException

Throws:

gr.uoa.di.madgik.grs.reader.GRS2ReaderException

URISyntaxException

gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException

gr.uoa.di.madgik.grs.buffer.GRS2BufferException

feedLocator

public boolean feedLocator(String resultSetLocation,
                  HashMap<String,org.gcube.indexmanagement.common.FullTextIndexType> colForField)
                    throws gr.uoa.di.madgik.grs.reader.GRS2ReaderException,
                           URISyntaxException,
                           gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException,
                           gr.uoa.di.madgik.grs.buffer.GRS2BufferException

Feeds the index with rowsets that are read from the the given locator

Parameters:

resultSetLocation -

colForField -

Returns:

true if feed was successful, otherwise false

Throws:

gr.uoa.di.madgik.grs.reader.GRS2ReaderException

URISyntaxException

gr.uoa.di.madgik.grs.record.GRS2RecordDefinitionException

gr.uoa.di.madgik.grs.buffer.GRS2BufferException

refreshIndexTypesOfIndex

public void refreshIndexTypesOfIndex()

Refreshes the index types

updateManagerProperties

public boolean updateManagerProperties(HashMap<String,org.gcube.indexmanagement.common.FullTextIndexType> colForIdTypes)

addMetaIndex

public boolean addMetaIndex()

invalidateCache

public void invalidateCache()

rebuildMetaIndex

public boolean rebuildMetaIndex(String[] collectionIds,
                       String[] fields)